| Name | SQUARED CJK UNIFIED IDEOGRAPH-521D |
| Unicode Version | 5.2 |
| Block（ブロック） | Enclosed Ideographic Supplement（囲み表意文字補助） |
| Plane（面） | Supplementary Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | 🈠 🈠 |
| UTF-8 Encoding | 🈠 f09f88a0 |
| UTF-16 Encoding | 🈠 d83cde20 |
| UTF-32 Encoding | 🈠 0001f220 |